Dockerfied alpine + etherpad + etherdraw = ready for takeoff!

etherdraw/Dockerfile

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+# etherdraw #
+
+# node 9.2 
+FROM node:9-alpine
+MAINTAINER Jonathan Rosenbaum <fspc@freesoftwarepc.com>
+
+RUN apk update; apk add bash git giflib-dev libjpeg-turbo-dev curl mysql-client python2 pkgconfig cairo-dev make g++ 
+
+WORKDIR /opt/
+
+RUN git clone git://github.com/JohnMcLear/draw.git 
+
+ENV PYTHON=/usr/bin/python2
+
+WORKDIR draw 
+
+RUN bin/installDeps.sh && rm settings.json
+
+COPY entrypoint.sh /entrypoint.sh
+
+RUN sed -i 's/^node/exec\ node/' bin/run.sh
+
+VOLUME /opt/draw/var /opt/draw/node_module
+RUN ln -s var/settings.json settings.json
+
+EXPOSE 9002
+ENTRYPOINT ["/entrypoint.sh"]
+CMD ["bin/run.sh", "--root"]

etherdraw/entrypoint.sh

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+#!/bin/bash
+set -e
+
+: ${ETHERPAD_DB_TYPE:=mysql}
+: ${ETHERPAD_DB_HOST:=mysql}
+: ${ETHERPAD_DB_USER:=root}
+: ${ETHERPAD_DB_NAME:=etherpad}
+: ${ETHERPAD_DB_CHARSET:=utf8mb4}
+ETHERPAD_DB_NAME=$( echo $ETHERPAD_DB_NAME | sed 's/\./_/g' )
+
+# ETHERPAD_DB_PASSWORD is mandatory in mysql container, so we're not offering
+# any default. If we're linked to MySQL through legacy link, then we can try
+# using the password from the env variable MYSQL_ENV_MYSQL_ROOT_PASSWORD
+if [ "$ETHERPAD_DB_USER" = 'root' ]; then
+	: ${ETHERPAD_DB_PASSWORD:=$MYSQL_ENV_MYSQL_ROOT_PASSWORD}
+fi
+
+if [ -n "$ETHERPAD_DB_PASSWORD_FILE" ]; then
+	: ${ETHERPAD_DB_PASSWORD:=$(cat $ETHERPAD_DB_PASSWORD_FILE)}
+fi
+
+if [ -z "$ETHERPAD_DB_PASSWORD" ]; then
+	echo >&2 'error: missing required ETHERPAD_DB_PASSWORD environment variable'
+	echo >&2 '  Did you forget to -e ETHERPAD_DB_PASSWORD=... ?'
+	echo >&2
+	echo >&2 '  (Also of interest might be ETHERPAD_DB_PASSWORD_FILE, ETHERPAD_DB_USER and ETHERPAD_DB_NAME.)'
+	exit 1
+fi
+
+: ${ETHERPAD_TITLE:=Etherpad}
+: ${ETHERPAD_PORT:=9001}
+
+# Check if database already exists
+if [ "$ETHERPAD_DB_TYPE" == 'mysql' ]; then
+	RESULT=`mysql -u${ETHERPAD_DB_USER} -p${ETHERPAD_DB_PASSWORD} \
+		-h${ETHERPAD_DB_HOST} --skip-column-names \
+		-e "SHOW DATABASES LIKE '${ETHERPAD_DB_NAME}'"`
+
+	if [ "$RESULT" != $ETHERPAD_DB_NAME ]; then
+		# mysql database does not exist, create it
+		echo "Creating database ${ETHERPAD_DB_NAME}"
+
+		mysql -u${ETHERPAD_DB_USER} -p${ETHERPAD_DB_PASSWORD} -h${ETHERPAD_DB_HOST} \
+		      -e "create database ${ETHERPAD_DB_NAME}"
+	fi
+fi
+if [ "$ETHERPAD_DB_TYPE" == 'postgres' ]; then
+	export PGPASSWORD=${ETHERPAD_DB_PASSWORD}
+	if psql -U ${ETHERPAD_DB_USER} -h ${ETHERPAD_DB_HOST} postgres -lqt | cut -d \| -f 1 | grep -qw ${ETHERPAD_DB_NAME}; then
+		true
+	else
+		# postgresql database does not exist, create it
+		echo "Creating database ${ETHERPAD_DB_NAME}"
+		psql -U ${ETHERPAD_DB_USER} -h ${ETHERPAD_DB_HOST} postgres \
+			-c "create database ${ETHERPAD_DB_NAME}"
+	fi
+fi
+
+if [ ! -f settings.json ]; then
+
+	cat <<- EOF > settings.json
+	{
+	  "title": "${ETHERPAD_TITLE}",
+	  "ip": "0.0.0.0",
+	  "port" :${ETHERPAD_PORT},
+	  "dbType" : "${ETHERPAD_DB_TYPE}",
+	  "dbSettings" : {
+			    "user"    : "${ETHERPAD_DB_USER}",
+			    "host"    : "${ETHERPAD_DB_HOST}",
+			    "password": "${ETHERPAD_DB_PASSWORD}",
+			    "database": "${ETHERPAD_DB_NAME}",
+			    "charset": "${ETHERPAD_DB_CHARSET}"
+			  }
+	EOF
+
+	if [ $ETHERPAD_ADMIN_PASSWORD ]; then
+
+		: ${ETHERPAD_ADMIN_USER:=admin}
+
+		cat <<- EOF >> settings.json
+		  "users": {
+		    "${ETHERPAD_ADMIN_USER}": {
+		      "password": "${ETHERPAD_ADMIN_PASSWORD}",
+		      "is_admin": true
+		    }
+		  },
+		EOF
+	fi
+
+	cat <<- EOF >> settings.json
+	}
+	EOF
+fi
+
+exec "$@"